Home / 187,439.41-258,397.28-133,631.01

Finding the Fourth Proportional to 187,439.41, 258,397.28 and 133,631.01

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Solution

The fourth proportional to 187,439.41, 258,397.28 and 133,631.01 is: 184,218.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,439.41 : 258,397.28 = 133,631.01 : x
  2. Step 2: Convert to fraction form
    187,439.41/258,397.28 = 133,631.01/x
  3. Step 3: Cross multiply
    187,439.41x = 258,397.28 × 133,631.01
  4. Step 4: Simplify right side
    187,439.41x = 34,529,889,841.73
  5. Step 5: Solve for x
    x = 34,529,889,841.73/187,439.41
  6. Step 6: Final answer
    x = 184,218.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.